Home / 7,438.73-10,263.38-5,314.91

Finding the Fourth Proportional to 7,438.73, 10,263.38 and 5,314.91

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Solution

The fourth proportional to 7,438.73, 10,263.38 and 5,314.91 is: 7,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.73 : 10,263.38 = 5,314.91 : x
  2. Step 2: Convert to fraction form
    7,438.73/10,263.38 = 5,314.91/x
  3. Step 3: Cross multiply
    7,438.73x = 10,263.38 × 5,314.91
  4. Step 4: Simplify right side
    7,438.73x = 54,548,863.10
  5. Step 5: Solve for x
    x = 54,548,863.10/7,438.73
  6. Step 6: Final answer
    x = 7,333.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.